📢 Too many exams? Don’t know which one suits you best? Book Your Free Expert 👉 call Now!


    Question

    In a school, 30 boys scored an average of 76 marks while

    40 girls scored an average of 88 marks. What is the average marks of all students together? (Round off your answer to the nearest integer)
    A 53 Correct Answer Incorrect Answer
    B 47 Correct Answer Incorrect Answer
    C 71 Correct Answer Incorrect Answer
    D 83 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    ATQ,

    Required average = (30 × 76 + 40 × 88) ÷ (30 + 40) = (2,280 + 3,520) ÷ 70 = (5,800 ÷ 70) ~ 83

    Practice Next
    ask-question

    Not sure which exam is best for you Talk to our expert

    Get My Free Call